package com.ybwh.tools;

import java.math.BigDecimal;

public class Test {
	public static void main(String[] args) {
		BigDecimal employeeNum= new BigDecimal(0);
		System.out.println(employeeNum.equals(0));
		System.out.println(employeeNum.equals(BigDecimal.ZERO));
		System.out.println(null instanceof BigDecimal);
		System.out.println(BigDecimal.ZERO.equals(null));
	}

}
 